Finding the Fourth Proportional to 1,103.72, 1,654.86 and 527.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.72 : 1,654.86 = 527.24 : x
2. Step 2: Convert to fraction form
   1,103.72/1,654.86 = 527.24/x
3. Step 3: Cross multiply
   1,103.72x = 1,654.86 × 527.24
4. Step 4: Simplify right side
   1,103.72x = 872,508.39
5. Step 5: Solve for x
   x = 872,508.39/1,103.72
6. Step 6: Final answer
   x = 790.52